i have designed my project using pic 16f877 microcontroller.
the program includes some delay loops which r written taking into consideration a 4Mhz crystal. V hv used a 4Mhz crystal.
but the problem is dat v found the following PIC.
On the chip its written
PIC 16F877 - 20/P 301
frm da datasheet i learnt dat 20 refers to the frequency range..!!
Now what does FREQ RANGE mean... is it the frequency on which da PIC works or is it da MAX frequency on which it works.. or sumthing else..??
In dat case can i use 4Mhz crystal with da same.. will it work.. or i'll hv 2 use a 20Mhz crystal..?? in case of 20Mhz can anyone provide me da required interconnections for da operation of da PIC..??
plz answer my question..